Dab tsi yog qhov sib txawv ntawm 1.440 thiab 1.4401 cov kav dej stainless hlau?

Thaum soft cov kav hlau stainless hlau rau kev lag luam lossis cov ntawv thov lag luam, cov neeg yuav khoom feem ntau ntsib ob cov khoom siv zoo sib xws:Rau 1.4401thiabEn 1.4404{{0. Thaum xub thawj siab ib muag, ob lub anustenic stainless hlau zoo li muaj ze li qub - ob feem ntau raug xa mus rau raws li316-} Qib Qib Stainless Hlau{{0. Tab sis dab tsi xyov yog qhov sib txawv, thiab koj yuav xaiv qhov twg?

Hauv tsab xov xwm no, peb piav qhia qhov tseem ceeb ntawm1.4401 vs 1.4404 cov kav dej stainless hlau, npog tshuaj lom neeg cov tshuaj muaj pes tsawg leeg, corrosion tsis kam, wardability, thiab cov kev siv feem ntau - yog li koj tuaj yeem ua txoj cai yuav txiav txim siab {}}

 

Cov qauv twg yog 1.4401 thiab 1.440 sib haum rau hauv Aisi?

1.4401 ≈AISI 316

1.4404 ≈ AISI 316L

 

En 1.440 vs en 1.4401 muaj pes tsawg leeg tshuaj

Lub ntsiab	En 1.4401 (AISI 316)	En 1.4404 (AISI 316L)
Carbon (c)	Tsawg dua los yog sib npaug rau 0.07%	Tsawg dua los yog sib npaug rau 0.03%
Chromium (cr)	16.5–18.5%	16.5–18.5%
Npib tsib caug (ni)	10–13%	10–13%
Molybdenum (mo)	2.0–2.5%	2.0–2.5%

Qhov tseem ceeb sib txawv: 1.4404 muajCov pa roj carbon tsawg(Li no "l" hauv 316L) - qhov kev txhim kho no tiv taus cov kev xav thaum lub sij hawm vuam .

 

Corrosion Kuj: uas yog qhov zoo dua?

Ob qho tib si 1 {. 4401 thiab 1 {}} 4 {}} g., Sulfuric, phosphoric), muaj cov kuab tshuaj.

1.4404ua yeeb yamzoo duanyob rau hauv vuam-hnyav ib puag ncig lossis qhov chaw tom qab weld kev kho cua sov tsis yog ua tau, raws li nws txo qhov kev pheej hmoo ntawmintergranular corrosionntawm cov qoob loo gragaries .

 

Tus Hlau Stainless 1.4404 Yeeb Nkab Rau Vuam

1 {. 4401 yog weldable, tab sis kev ceev faj (zoo li postt-weld annealing) yuav tsum zam kev paub.

1 . 4404 yog zoo dua rau vuam vuam - nws tuaj yeem welded tsis muaj kev pheej hmoo ntawm kev cuam tshuam ntawm kev tiv thaiv cua sov.

Qhov no ua rau 1 {. 4404 Qhov kev xaiv uas zoo tshaj plaws rau cov raj xa tawm, cov khoom siv hluav taws xob, thiab cov khoom noj-cov khoom siv tubing.

 

Yog 1.4404 ntau kim dua 1.4401?
Yog lawm, me ntsis .} kev pheej hmoo ntawm cov khoom siv roj hmab cuam tshuam ntau dua 1,4001 high-corrosion lossis huv ib puag ncig ib puag ncig.

Kuv tuaj yeem hloov 1.4401 nrog 1.440?
Feem ntau yog - 1.4404 puas suav tias yog kev txhim kho version ntawm {{} Txawm li cas los xij, ib txwm xav tau kev cai .

 

Peb muab 1 {{. 4401 hauv cov khoom lag luam, cov kab ntawv, cov ntaub ntawv, thov mus saib cov vev xaib txuas ntxiv no.
Cov Khoom: https: // www . German-hlau-yeeb-yeeb nkab-steel-yeeb {{{12}. HTML

Hu rau tam sim no

Gneeyog ib qho kev tshaj lij ntawm Austenitic Stainless Hlau, Super Austenitic Stainless Hlau thiab lwm yam khoom lag luam yog ntau tshaj li { thev naus laus zis {{{}}} Cov qauv siv cov qauv muaj xws li:Lub Tebchaws Txuj Ci, Asmeskas tus qauv, Cov Qauv Japanese, Tus Qauv German, European Txuj, Tus Qauv Lavxias, thiab lwm yam . tib lub sijhawm, cov khoom tsis yog cov qauv khoom tuaj yeem raug kho tau raws li cov neeg siv khoom xav tau}